Back in the 1940s, a Dutch physician called John Poel invented a device that changed the nature of heart monitoring. His device is based on the idea that the color of skin changes according to the ...

When a transmitter sends a Wi-Fi signal and a receiver captures it after it passes through a person, the signal’s changes can ...

Heart rate is one of the most basic and important indicators of health, providing a snapshot into a person's physical activity, stress and anxiety, hydration level, and more. Traditionally, measuring ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...

Most fitness trackers offer a wealth of heart-rate data. Here’s how to make sense of it. By Talya Minsberg If you wear a smartwatch or fitness tracker, you likely already have access to a steady ...

Heart rate is one of the most basic and important indicators of health, providing a snapshot into a person’s physical activity, stress and anxiety, hydration level, and more. Traditionally, measuring ...